Explain the relationship between frequency and period.
What will be an ideal response?
The period of a sine wave is inversely proportional to its frequency. The higher the frequency, the shorter the period. The relationship between the frequency and the period of a sine wave is expressed as: f = 1/t where f = frequency and t = period.
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The thermal radiation emitted by an object can be measured by a(n) _____.
a. bimetallic thermometer b. infrared thermometer c. liquid thermometer d. electrical thermometer
What are five key points to consider when selecting a site for planting of bramble
fruits? Of these points, which ones are most important and why?
What will be an ideal response?____ is a measure of energy that can be imparted to a charge.
A. Voltage B. Resistance C. Current D. Inductance
Which of the following statements about the thermostatic expansion valve is NOT true?
A. The TXV divides the high and low pressure sides of the refrigeration system. B. The TXV monitors the temperature of the evaporator outlet to adjust flow accordingly. C. The TXV uses an equalizer line to sense the pressure at the evaporator outlet. D. If the TXV loses the pressure signal from the sensing bulb it will go to a full open mode to prevent the evaporator from starving.